What is the cheapest airline that flies from Philadelphia to Great Falls?

Alaska Airlines and United Airlines are the most popular carriers operating from Philadelphia to Great Falls

When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?

Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.

How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?

As of March 2026, there are 2 operators available to choose from for flights from Philadelphia Airport to Great Falls Airport.

How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$153 Cheap Flights from Philadelphia to Great Falls in 2026

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Find the cheapest flights from Philadelphia to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 12:24 pm

PHL

GTF

7h 24m

1 stop

6:22 pm - 5:41 am

GTF

PHL

9h 19m

1 stop

$318Delta

Tue, Mar 31 - Tue, Apr 7

6:00 am - 5:42 pm

PHL

GTF

13h 42m

2 stops

6:22 pm - 5:41 am

GTF

PHL

9h 19m

1 stop

$324Delta

Tue, Mar 31 - Tue, Apr 7

7:00 am - 12:24 pm

PHL

GTF

7h 24m

1 stop

6:22 pm - 5:41 am

GTF

PHL

9h 19m

1 stop

$343Delta

Wed, Apr 1 - Tue, Apr 7

11:36 am - 9:17 pm

PHL

GTF

11h 41m

2 stops

2:30 pm - 12:59 am

GTF

PHL

8h 29m

2 stops

$348United Airlines

Tue, Mar 31 - Tue, Apr 7

6:00 am - 5:42 pm

PHL

GTF

13h 42m

2 stops

6:22 pm - 5:41 am

GTF

PHL

9h 19m

1 stop

$349Delta

Tue, Mar 31 - Mon, Apr 6

1:27 pm - 9:17 pm

PHL

GTF

9h 50m

2 stops

2:30 pm - 12:59 am

GTF

PHL

8h 29m

2 stops

$354United Airlines

Fri, Apr 3 - Fri, Apr 10

8:00 am - 1:41 pm

PHL

GTF

7h 41m

1 stop

2:37 pm - 11:30 pm

GTF

PHL

6h 53m

1 stop

$358United Airlines

Thu, Jun 4 - Tue, Jun 9

10:32 am - 9:34 pm

PHL

GTF

13h 02m

2 stops

2:37 pm - 11:30 pm

GTF

PHL

6h 53m

1 stop

$364United Airlines

Thu, Jun 4 - Tue, Jun 9

7:25 am - 4:26 pm

PHL

GTF

11h 01m

1 stop

5:06 pm - 6:05 am

GTF

PHL

10h 59m

1 stop

$368Alaska Airlines

Fri, Mar 20 - Tue, Mar 24

7:25 am - 12:27 pm

PHL

GTF

7h 02m

1 stop

6:20 pm - 5:43 am

GTF

PHL

9h 23m

1 stop

$373Delta

Sun, May 31 - Sun, Jun 7

Delta flights from Philadelphia to Great Falls

Our best Delta deals on Philadelphia to Great Falls flight tickets

Delta

Mar 31

PHL7:00 amPhiladelphia

7h 24m

1 stop

GTF12:24 pmGreat Falls

Apr 7

GTF6:22 pmGreat Falls

9h 19m

1 stop

PHL5:41 amPhiladelphia

$318

Delta

Mar 31

PHL6:00 amPhiladelphia

13h 42m

2 stops

GTF5:42 pmGreat Falls

Apr 7

GTF6:22 pmGreat Falls

9h 19m

1 stop

PHL5:41 amPhiladelphia

$324

Delta

Apr 1

PHL7:00 amPhiladelphia

7h 24m

1 stop

GTF12:24 pmGreat Falls

Apr 7

GTF6:22 pmGreat Falls

9h 19m

1 stop

PHL5:41 amPhiladelphia

$343

United Airlines flights from Philadelphia to Great Falls

Our best United Airlines deals on Philadelphia to Great Falls flight tickets

United Airlines

Mar 31

PHL11:36 amPhiladelphia

11h 41m

2 stops

GTF9:17 pmGreat Falls

Apr 7

GTF2:30 pmGreat Falls

8h 29m

2 stops

PHL12:59 amPhiladelphia

$348

United Airlines

Apr 3

PHL1:27 pmPhiladelphia

9h 50m

2 stops

GTF9:17 pmGreat Falls

Apr 10

GTF2:30 pmGreat Falls

8h 29m

2 stops

PHL12:59 amPhiladelphia

$354

United Airlines

Jun 4

PHL8:00 amPhiladelphia

7h 41m

1 stop

GTF1:41 pmGreat Falls

Jun 9

GTF2:37 pmGreat Falls

6h 53m

1 stop

PHL11:30 pmPhiladelphia

$358

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 3/31

7:00 am-12:24 pm

1 stop7h 24m

Great Falls

Tue 4/7

6:22 pm-5:41 am

1 stop9h 19m

$318

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 3/31

6:00 am-5:42 pm

2 stops13h 42m

Great Falls

Tue 4/7

6:22 pm-5:41 am

1 stop9h 19m

$324

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Wed 4/1

7:00 am-12:24 pm

1 stop7h 24m

Great Falls

Tue 4/7

6:22 pm-5:41 am

1 stop9h 19m

$343

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 3/31

11:36 am-9:17 pm

2 stops11h 41m

Great Falls

Tue 4/7

2:30 pm-12:59 am

2 stops8h 29m

$348

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 3/31

6:00 am-5:42 pm

2 stops13h 42m

Great Falls

Mon 4/6

6:22 pm-5:41 am

1 stop9h 19m

$349

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Fri 4/3

1:27 pm-9:17 pm

2 stops9h 50m

Great Falls

Fri 4/10

2:30 pm-12:59 am

2 stops8h 29m

$354

Quickest round-trip

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 6/4

8:00 am-1:41 pm

1 stop7h 41m

Great Falls

Tue 6/9

2:37 pm-11:30 pm

1 stop6h 53m

$358

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 6/4

10:32 am-9:34 pm

2 stops13h 02m

Great Falls

Tue 6/9

2:37 pm-11:30 pm

1 stop6h 53m

$364

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Fri 3/20

7:25 am-4:26 pm

1 stop11h 01m

Great Falls

Tue 3/24

5:06 pm-6:05 am

1 stop10h 59m

$368

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sun 5/31

7:25 am-12:27 pm

1 stop7h 02m

Great Falls

Sun 6/7

6:20 pm-5:43 am

1 stop9h 23m

$373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Great Falls?

The month of March is another great option to travel to Great Falls, with average flight prices from Philadelphia averaging around $278.

When to book flights from Philadelphia to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Great Falls (PHL to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Great Falls

Fastest flight time	7h 20m
Direct flights	None

The fastest flight from Philadelphia to Great Falls takes 7h 20m

There are no direct flights from Philadelphia to Great Falls. There are no popular flight routes from Philadelphia to Great Falls.

Search flight deals

How far is Philadelphia to Great Falls by plane?
A flight from Philadelphia to Great Falls will travel around 1858.6 mi. Typically, this will take 7h 20m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?
Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?
As of March 2026, there are 2 operators available to choose from for flights from Philadelphia Airport to Great Falls Airport.
How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Great Falls?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Great Falls is Delta, representing 59% of all bookings. The subsequent popular airline is United Airlines at 41%.

Best airlines flying from Philadelphia to Great Falls

Compare and see reviews for airlines that fly from Philadelphia to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $263	Free Cancellation	Rating 7.9 8,276 reviews		Search Delta flights
United Airlines	PriceFrom $477	Free Cancellation	Rating 7.4 9,409 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Philadelphia.

Can I find flights from Philadelphia to Great Falls with flexible booking policies on momondo?

Flights from Philadelphia to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Great Falls?

Once you have performed a search for Philadelphia to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Great Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to Great Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.